Leaf Audio Microphonic Playground. The Microphonic Playground is the latest addition to Leaf Audio’s series of sound design instruments. Like its bigger sister, the Microphonic Soundbox, it invites you to a world of sonic exploration — an affordable, open platform perfect for experimenting with body sound transmission via contact microphones. Unlike airborne sound captured by conventional microphones, the Playground lets you listen intimately from within the materials, delivering an ASMR-like, direct sonic experience. What sets the Playground apart from the Soundbox? It is fully passive, requiring no power supply or active amplification. It’s a blank canvas — no built-in audio sources or objects, giving you freedom to attach and create with anything you imagine. You can amplify its output using external preamps, mixing desks, or the Microphonic Soundbox itself. Multiple Playgrounds can be linked in series, expanding your creative setup. Whether used alone or combined with Soundboxes and add-ons, it’s a versatile tool for sound design, musical experimentation, or even crafting unique instruments like a Bass Kalimba. Features: Built-in contact microphone for intimate sound capture Completely passive, no power needed Five threaded M3 strips for flexible add-on mounting Universal wooden object holder on the side Four M3 thumb screws included for secure attachment One audio input and one audio output Can be linked with multiple units in series Soft rubber feet for stable placement Dimensions: 162 mm x 147 mm x 60 mm (W x D x H) Weight: 0.244 kg